love-canvas_getPixel / src / modules / sound / Sound.h

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 * Copyright (c) 2006-2012 LOVE Development Team
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.


#include "common/Module.h"
#include "filesystem/File.h"

#include "SoundData.h"
#include "Decoder.h"

namespace love
namespace sound

 * The Sound module is responsible for decoding sound data. It is
 * not responsible for playing it.
class Sound : public Module


	 * Destructor.
	virtual ~Sound();

	 * Creates new SoundData from a decoder. Fully expands the
	 * encoded sound data into raw sound data. Not recommended
	 * on large (long-duration) files.
	 * @param decoder The file to decode the data from.
	 * @return A SoundData object, or zero if the file type couldn't be handled.
	SoundData *newSoundData(Decoder *decoder);

	 * Creates a new SoundData with the specified number of samples and format.
	 * @param duration In seconds.
	 * @param sampleRate Number of samples per second.
	 * @param bits Bits per sample (8 or 16).
	 * @param channels Either 1 for mono, or 2 for stereo.
	 * @return A new SoundData object, or zero in case of errors.
	SoundData *newSoundData(int samples, int sampleRate, int bits, int channels);

	 * Attempts to find a decoder for the encoded sound data in the
	 * specified file.
	 * @param file The file with encoded sound data.
	 * @param bufferSize The size of each decoded chunk.
	 * @param sampleRate Samples per second, or quality of the audio. 44100 is a good value.
	 * @return A Decoder object on success, or zero if no decoder could be found.
	virtual Decoder *newDecoder(filesystem::FileData *file, int bufferSize) = 0;

}; // Sound

} // sound
} // love